The combination of GTAW (Gas Tungsten Arc Welding) and SMAW (Shield Metal Arc Welding) processes on SA537 Class 2 carbon steel using variations of heat input is the main choice to get the best quality welded joints. This research aims to joint SA537 Class 2 material using the GTAW and SMAW process with heat input variations to get the best joint and determine the joint results mechani... https://yeswellneses.shop/product-category/green-tea/